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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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#ifndef DORIS_BE_SRC_AGENT_TOPIC_LISTENER_H
#define DORIS_BE_SRC_AGENT_TOPIC_LISTENER_H

#include "gen_cpp/AgentService_types.h"

namespace doris {
  
class TopicListener {

public:
    
    virtual ~TopicListener(){}
    // Deal with a single update
    //
    // Input parameters:
    //   protocol version: the version for the protocol, listeners should deal with the msg according to the protocol
    //   topic_update: single update
    virtual void handle_update(const TAgentServiceVersion::type& protocol_version, 
                               const TTopicUpdate& topic_update) = 0;
};
}
#endif
